swing states. america remains a 50-50 nation, split between republicans and democrats. the atmosphere has become so poisonous that the kind of bipartisan politics necessary to make government function are often missing. our correspondent reports from florida. >> the clips and the glamour, the ever-changing landscape of the miami skyline. for many americans, miami, but avian, too gleaming and in 2012, all eyes are on this state. >> florida matters, that is what we are going to be told over and over again. 29 votes. it is a big state that could make all of the difference between obama and romney. all of that is true.